An age since birth at the time of a clinical visit.
Duration of formal education (observable entity)
Diagnosis of cognitive performance, function
Staging according to a combination of amyloid pathology and cognitive impairment
CSF Amyloid-beta42 cut off dependent on the assay and for different pre-analytical procedures in the cohort.
Combination of amyloid pathology and no cognitive impairment: Amyloid + NC/SCD
Combination of amyloid pathology and and cognitive impairment: Amyloid + MCI
Combination of amyloid pathology and dementia: Amyloid + dementia